found: Wikipedia, Dec. 11, 2012(Kool G Rap; b. Nathaniel Wilson, July 20, 1968, Queens, New York City; better known by his stage names Kool G Rap (or simply G Rap, and originally Kool Genius of Rap); American rapper; also known as Kool G., Kool Giancana, Giancana, Kool Genius; on his album The Giancana story, he stated that the "G" in his name stands for "Giancana" (after the mobster Sam Giancana), but on other occasions he's stated that it stands for "Genius")